4225221

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 8465184

約数和(自身を除く): 4239963

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 49, 63, 67, 77, 91, 99, 117, 143, 147, 201, 231, 273, 429, 441, 469, 539, 603, 637, 693, 737, 819, 871, 1001, 1287, 1407, 1617, 1911, 2211, 2613, 3003, 3283, 4221, 4851, 5159, 5733, 6097, 6633, 7007, 7839, 9009, 9581, 9849, 15477, 18291, 21021, 28743, 29547, 36113, 42679, 46431, 54873, 63063, 67067, 86229, 108339, 128037, 201201, 325017, 384111, 469469, 603603, 1408407, 4225221]

約数ペア:

[(1, 4225221), (3, 1408407), (7, 603603), (9, 469469), (11, 384111), (13, 325017), (21, 201201), (33, 128037), (39, 108339), (49, 86229), (63, 67067), (67, 63063), (77, 54873), (91, 46431), (99, 42679), (117, 36113), (143, 29547), (147, 28743), (201, 21021), (231, 18291), (273, 15477), (429, 9849), (441, 9581), (469, 9009), (539, 7839), (603, 7007), (637, 6633), (693, 6097), (737, 5733), (819, 5159), (871, 4851), (1001, 4221), (1287, 3283), (1407, 3003), (1617, 2613), (1911, 2211)]